LM13700N LM13700N

Product Description

The 13700 is a dual operational transconductance amplifier with linearising diodes & buffers. It consists of two current controlled transconductance amplifiers each with different inputs & a push pull output. The two amplifiers share common supplies but otherwise operate independently. Linearising diodes are provided at the inputs to reduce distortion & allow higher input levels. The result is a 10d B signal-to-noise improvement referenced to 0.5 THD. High impedance buffers are provided which are specially designed to complement the dynamic range of the amplifiers. The IC has many useful applications such as voltage controlled amplifiers voltage controlled resistors voltage controlled filters voltage controlled oscillators phase locked loop Schmitt trigger tachometer f to v peak detector & hold sample & hold ramp & hold true RMS convertor variable temperature coefficient voltage reference pulse width modulator log current source multiplexer zero standby power timer four quadrant multiplier amplitude monitor & stereo volume control. A data sheet is available which shows circuit details of all the above applications. Absolute max ratings LM13700 N Voltage supply rangeplusmn 2V to plusmn 18 V Power dissipation 570m W Differential input voltageplusmn 5VDiode bias current 2m A Amplifier bias current 2m A Typical ratings at 25 C with VS plusmn 15 V Input offset voltage 0.4m A Input offset current 100n A Input bias current 400n A Input resistance 26k Omega Forward transconductance gm 9600micro Omega Tracking of gm 0.3d B Peak output current 500micro A Peak output voltageplusmn 14 V Supply current per amp 1.3m A Common moderejection ratio 110d B Unity gain bandwidth 2MHz Full power bandwidth 200k Hz Slew rate 50 Vmicros